Profile: Lan Industrial (Shaoxing) Co. Ltd. is a manufacturer and supplier of specialty chemicals. Our products include oxalic acid, zinc sulfate monohydrate and sodium percarbonate. The oxalic acid is a colorless, crystalline, carboxylic acid belonging to the family of dicarboxylic acids. This is soluble in water, alcohol, and ether. This is found in many plants such as sorrel and rhubarb, usually as its calcium or potassium salts. This is used as a purifying agent in pharmaceutical industry. Zinc sulfate monohydrate is a water soluble, clear, crystalline compound. It is commonly used in the heptahydrate form. It loses water at 30°C to give the hexahydrate and more water is lost at 70°C to form the monohydrate. Zinc sulfate monohydrate is used in agriculture as a weed killer and to give protection against pests. It is used to supply zinc in animal feeds and fertilizers. It is also an important constituent of the precipitating bath in the manufacture of viscose rayon and in electrolyte for zinc plating. It functions as a mordant in dyeing, as a preservative for skins & leather and as an astringent & emitic in medicine. sodium percarbonate is a free-flowing crystalline granule. Percarbonate has an active available oxygen content which is equivalent to about 27.5% H ₂ O ₂ . It dissolves in water rapidly to release oxygen and provides powerful cleaning, bleaching, stain removal & deodorizing capabilities. It has a wide range of applications in various cleaning products and detergent formulations including heavy duty laundry detergent, all fabric bleach, wood deck bleach, textile bleach & carpet cleaning. The product also functions as a disinfectant for institutional and home applications, oxygen releasing agent in aquaculture, waste water treatment chemical & as first-aid oxygen generating agent. Our product series has a wide range of applications including usages in cleaning, pulp & paper, textile, environmental protection, and food processing.